Java Basics courses can help you learn object-oriented programming, data types, control structures, and exception handling. You can build skills in writing efficient code, debugging, and using Java libraries to enhance functionality. Many courses introduce tools like Integrated Development Environments (IDEs) such as Eclipse or IntelliJ IDEA, which streamline coding and testing processes, along with version control systems like Git to manage code changes effectively.

University of Colorado Boulder
Skills you'll gain: Public Key Cryptography Standards (PKCS), Cryptography, Data Structures, Algorithms, Encryption, Theoretical Computer Science, Computer Science, Programming Principles, Computational Thinking, IBM Cloud, Advanced Mathematics
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Stress Management, Resilience, Crisis Intervention, Community Health, Personal Development, Mental Health, Case Studies, Health Promotion, Positive Behavior Support, Recognizing Others, Empathy, Self-Awareness, Needs Assessment, Communication
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: AI Personalization, Generative AI, LLM Application, Content Creation, Marketing Operations, AI Enablement, Marketing Analytics, Marketing Strategies, Strategic Marketing, Innovation, Prompt Engineering, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SQL, MySQL, Data Manipulation, Data Access, PostgreSQL, Data Management
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Dataflow, Serverless Computing, Identity and Access Management, Data Infrastructure, Data Pipelines, Cloud Security, Cloud Computing, Data Processing, Data Storage Technologies, Containerization, Interoperability
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Debugging, Automation, Web Scraping, Software Testing, Web Development Tools, Test Case, Browser Compatibility, Cascading Style Sheets (CSS)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Virtual Local Area Network (VLAN), Network Protocols, Network Security, Network Routing, Network Troubleshooting, Computer Networking, Open Shortest Path First (OSPF), Dynamic Host Configuration Protocol (DHCP), Border Gateway Protocol, Firewall, Proxy Servers, Encryption, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Centers, Network Security, Network Troubleshooting, Virtual Machines, Network Monitoring, Wide Area Networks, Virtualization, Wireless Networks, Firewall, Cloud Infrastructure, Hardening, Network Architecture, Virtual Private Networks (VPN), Network Infrastructure, TCP/IP, Cloud Computing, Security Information and Event Management (SIEM), Remote Access Systems, Network Protocols, Internet Of Things
Advanced · Course · 1 - 3 Months

Scrimba
Skills you'll gain: JSON, Restful API, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Event-Driven Programming, HTML and CSS, Javascript, Back-End Web Development, Frontend Integration, Web Development, Web Services, Real Time Data, Web Development Tools, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Video Editing, TikTok, Storytelling, Timelines, Content Creation, Multimedia, Post-Production, Animations, Color Theory, Typography
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Public Health and Disease Prevention, Epidemiology, Cardiology, Public Health, Chronic Diseases, Health Policy, Health Education, Medical Science and Research, Oncology, Neurology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File Management, Computer Literacy, Microsoft Office, Email Security, Computer Hardware, Computer Security Awareness Training, Spreadsheet Software, digital literacy, Information Management, Safety and Security
Intermediate · Course · 1 - 4 Weeks